AndroidRuntime.cpp revision f013e1afd1e68af5e3b868c26a653bbfb39538f8
1/* //device/libs/android_runtime/AndroidRuntime.cpp 2** 3** Copyright 2006, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18#define LOG_TAG "AndroidRuntime" 19//#define LOG_NDEBUG 0 20 21#include <android_runtime/AndroidRuntime.h> 22#include <utils/IBinder.h> 23#include <utils/IServiceManager.h> 24#include <utils/Log.h> 25#include <utils/misc.h> 26#include <utils/Parcel.h> 27#include <utils/string_array.h> 28#include <utils/threads.h> 29#include <cutils/properties.h> 30 31#include <SkGraphics.h> 32#include <SkImageDecoder.h> 33 34#include "jni.h" 35#include "JNIHelp.h" 36#include "android_util_Binder.h" 37 38#include <stdio.h> 39#include <signal.h> 40#include <sys/stat.h> 41#include <sys/types.h> 42#include <signal.h> 43#include <dirent.h> 44#include <assert.h> 45 46 47using namespace android; 48 49extern void register_BindTest(); 50 51extern int register_android_os_Binder(JNIEnv* env); 52extern int register_android_os_Process(JNIEnv* env); 53extern int register_android_graphics_Bitmap(JNIEnv*); 54extern int register_android_graphics_BitmapFactory(JNIEnv*); 55extern int register_android_graphics_Camera(JNIEnv* env); 56extern int register_android_graphics_Graphics(JNIEnv* env); 57extern int register_android_graphics_Interpolator(JNIEnv* env); 58extern int register_android_graphics_LayerRasterizer(JNIEnv*); 59extern int register_android_graphics_MaskFilter(JNIEnv* env); 60extern int register_android_graphics_Movie(JNIEnv* env); 61extern int register_android_graphics_NinePatch(JNIEnv*); 62extern int register_android_graphics_PathEffect(JNIEnv* env); 63extern int register_android_graphics_Region(JNIEnv* env); 64extern int register_android_graphics_Shader(JNIEnv* env); 65extern int register_android_graphics_Typeface(JNIEnv* env); 66 67extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env); 68extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env); 69 70extern int register_android_hardware_Camera(JNIEnv *env); 71 72extern int register_android_hardware_SensorManager(JNIEnv *env); 73 74extern int register_android_media_AudioRecord(JNIEnv *env); 75extern int register_android_media_AudioSystem(JNIEnv *env); 76extern int register_android_media_AudioTrack(JNIEnv *env); 77extern int register_android_media_ToneGenerator(JNIEnv *env); 78 79extern int register_android_message_digest_sha1(JNIEnv *env); 80 81extern int register_android_util_FloatMath(JNIEnv* env); 82 83namespace android { 84 85/* 86 * JNI-based registration functions. Note these are properly contained in 87 * namespace android. 88 */ 89extern int register_android_content_AssetManager(JNIEnv* env); 90extern int register_android_util_EventLog(JNIEnv* env); 91extern int register_android_util_Log(JNIEnv* env); 92extern int register_android_content_StringBlock(JNIEnv* env); 93extern int register_android_content_XmlBlock(JNIEnv* env); 94extern int register_android_graphics_Canvas(JNIEnv* env); 95extern int register_android_graphics_ColorFilter(JNIEnv* env); 96extern int register_android_graphics_DrawFilter(JNIEnv* env); 97extern int register_android_graphics_Matrix(JNIEnv* env); 98extern int register_android_graphics_Paint(JNIEnv* env); 99extern int register_android_graphics_Path(JNIEnv* env); 100extern int register_android_graphics_PathMeasure(JNIEnv* env); 101extern int register_android_graphics_Picture(JNIEnv*); 102extern int register_android_graphics_PorterDuff(JNIEnv* env); 103extern int register_android_graphics_Rasterizer(JNIEnv* env); 104extern int register_android_graphics_Xfermode(JNIEnv* env); 105extern int register_android_graphics_PixelFormat(JNIEnv* env); 106extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env); 107extern int register_android_view_Display(JNIEnv* env); 108extern int register_android_view_Surface(JNIEnv* env); 109extern int register_android_view_ViewRoot(JNIEnv* env); 110extern int register_android_database_CursorWindow(JNIEnv* env); 111extern int register_android_database_SQLiteDatabase(JNIEnv* env); 112extern int register_android_database_SQLiteDebug(JNIEnv* env); 113extern int register_android_database_SQLiteProgram(JNIEnv* env); 114extern int register_android_database_SQLiteQuery(JNIEnv* env); 115extern int register_android_database_SQLiteStatement(JNIEnv* env); 116extern int register_android_debug_JNITest(JNIEnv* env); 117extern int register_android_nio_utils(JNIEnv* env); 118extern int register_android_pim_EventRecurrence(JNIEnv* env); 119extern int register_android_text_format_Time(JNIEnv* env); 120extern int register_android_os_Debug(JNIEnv* env); 121extern int register_android_os_ParcelFileDescriptor(JNIEnv *env); 122extern int register_android_os_Power(JNIEnv *env); 123extern int register_android_os_StatFs(JNIEnv *env); 124extern int register_android_os_SystemProperties(JNIEnv *env); 125extern int register_android_os_Hardware(JNIEnv* env); 126extern int register_android_os_Exec(JNIEnv *env); 127extern int register_android_os_SystemClock(JNIEnv* env); 128extern int register_android_os_FileObserver(JNIEnv *env); 129extern int register_android_os_FileUtils(JNIEnv *env); 130extern int register_android_os_UEventObserver(JNIEnv* env); 131extern int register_android_os_NetStat(JNIEnv* env); 132extern int register_android_os_MemoryFile(JNIEnv* env); 133extern int register_android_net_LocalSocketImpl(JNIEnv* env); 134extern int register_android_net_NetworkUtils(JNIEnv* env); 135extern int register_android_net_wifi_WifiManager(JNIEnv* env); 136extern int register_android_security_Md5MessageDigest(JNIEnv *env); 137extern int register_android_text_AndroidCharacter(JNIEnv *env); 138extern int register_android_text_KeyCharacterMap(JNIEnv *env); 139extern int register_android_opengl_classes(JNIEnv *env); 140extern int register_android_bluetooth_Database(JNIEnv* env); 141extern int register_android_bluetooth_HeadsetBase(JNIEnv* env); 142extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env); 143extern int register_android_bluetooth_RfcommSocket(JNIEnv *env); 144extern int register_android_bluetooth_ScoSocket(JNIEnv *env); 145extern int register_android_server_BluetoothDeviceService(JNIEnv* env); 146extern int register_android_server_BluetoothEventLoop(JNIEnv *env); 147extern int register_android_server_BluetoothA2dpService(JNIEnv* env); 148extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 149extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 150extern int register_android_util_Base64(JNIEnv* env); 151extern int register_android_location_GpsLocationProvider(JNIEnv* env); 152 153static AndroidRuntime* gCurRuntime = NULL; 154 155static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 156{ 157 if (jniThrowException(env, exc, msg) != 0) 158 assert(false); 159} 160 161/* 162 * Code written in the Java Programming Language calls here from main(). 163 */ 164static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz) 165{ 166 gCurRuntime->onStarted(); 167} 168 169static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz) 170{ 171 gCurRuntime->onZygoteInit(); 172} 173 174static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz) 175{ 176 return 1; 177} 178 179static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz) 180{ 181} 182 183static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz) 184{ 185 char* value = getenv("qwerty"); 186 if (value != NULL && strcmp(value, "true") == 0) { 187 return 1; 188 } 189 190 return 0; 191} 192 193/* 194 * JNI registration. 195 */ 196static JNINativeMethod gMethods[] = { 197 { "finishInit", "()V", 198 (void*) com_android_internal_os_RuntimeInit_finishInit }, 199 { "zygoteInitNative", "()V", 200 (void*) com_android_internal_os_RuntimeInit_zygoteInit }, 201 { "isComputerOn", "()I", 202 (void*) com_android_internal_os_RuntimeInit_isComputerOn }, 203 { "turnComputerOn", "()V", 204 (void*) com_android_internal_os_RuntimeInit_turnComputerOn }, 205 { "getQwertyKeyboard", "()I", 206 (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard }, 207}; 208 209int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 210{ 211 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 212 gMethods, NELEM(gMethods)); 213} 214 215// ---------------------------------------------------------------------- 216 217/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 218 219 220AndroidRuntime::AndroidRuntime() 221{ 222 SkGraphics::Init(false); // true means run unittests (slow) 223 // this sets our preference for 16bit images during decode 224 // in case the src is opaque and 24bit 225 SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config); 226 227 // Pre-allocate enough space to hold a fair number of options. 228 mOptions.setCapacity(20); 229 230 assert(gCurRuntime == NULL); // one per process 231 gCurRuntime = this; 232} 233 234AndroidRuntime::~AndroidRuntime() 235{ 236 SkGraphics::Term(); 237} 238 239/* 240 * Register native methods using JNI. 241 */ 242/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 243 const char* className, const JNINativeMethod* gMethods, int numMethods) 244{ 245 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 246} 247 248/* 249 * Call a static Java Programming Language function that takes no arguments and returns void. 250 */ 251status_t AndroidRuntime::callStatic(const char* className, const char* methodName) 252{ 253 JNIEnv* env; 254 jclass clazz; 255 jmethodID methodId; 256 257 env = getJNIEnv(); 258 if (env == NULL) 259 return UNKNOWN_ERROR; 260 261 clazz = findClass(env, className); 262 if (clazz == NULL) { 263 LOGE("ERROR: could not find class '%s'\n", className); 264 return UNKNOWN_ERROR; 265 } 266 methodId = env->GetStaticMethodID(clazz, methodName, "()V"); 267 if (methodId == NULL) { 268 LOGE("ERROR: could not find method %s.%s\n", className, methodName); 269 return UNKNOWN_ERROR; 270 } 271 272 env->CallStaticVoidMethod(clazz, methodId); 273 274 return NO_ERROR; 275} 276 277status_t AndroidRuntime::callMain( 278 const char* className, int argc, const char* const argv[]) 279{ 280 JNIEnv* env; 281 jclass clazz; 282 jmethodID methodId; 283 284 env = getJNIEnv(); 285 if (env == NULL) 286 return UNKNOWN_ERROR; 287 288 clazz = findClass(env, className); 289 if (clazz == NULL) { 290 LOGE("ERROR: could not find class '%s'\n", className); 291 return UNKNOWN_ERROR; 292 } 293 294 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 295 if (methodId == NULL) { 296 LOGE("ERROR: could not find method %s.main(String[])\n", className); 297 return UNKNOWN_ERROR; 298 } 299 300 /* 301 * We want to call main() with a String array with our arguments in it. 302 * Create an array and populate it. 303 */ 304 jclass stringClass; 305 jobjectArray strArray; 306 307 stringClass = env->FindClass("java/lang/String"); 308 strArray = env->NewObjectArray(argc, stringClass, NULL); 309 310 for (int i = 0; i < argc; i++) { 311 jstring argStr = env->NewStringUTF(argv[i]); 312 env->SetObjectArrayElement(strArray, i, argStr); 313 } 314 315 env->CallStaticVoidMethod(clazz, methodId, strArray); 316 return NO_ERROR; 317} 318 319/* 320 * Find the named class. 321 */ 322jclass AndroidRuntime::findClass(JNIEnv* env, const char* className) 323{ 324 char* convName = NULL; 325 326 if (env->ExceptionCheck()) { 327 LOGE("ERROR: exception pending on entry to findClass()\n"); 328 return NULL; 329 } 330 331 /* 332 * JNI FindClass uses class names with slashes, but ClassLoader.loadClass 333 * uses the dotted "binary name" format. We don't need to convert the 334 * name with the new approach. 335 */ 336#if 0 337 /* (convName only created if necessary -- use className) */ 338 for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) { 339 if (*cp == '.') { 340 if (convName == NULL) { 341 convName = strdup(className); 342 cp = convName + (cp-className); 343 className = convName; 344 } 345 *cp = '/'; 346 } 347 } 348#endif 349 350 /* 351 * This is a little awkward because the JNI FindClass call uses the 352 * class loader associated with the native method we're executing in. 353 * Because this native method is part of a "boot" class, JNI doesn't 354 * look for the class in CLASSPATH, which unfortunately is a likely 355 * location for it. (Had we issued the FindClass call before calling 356 * into the VM -- at which point there isn't a native method frame on 357 * the stack -- the VM would have checked CLASSPATH. We have to do 358 * this because we call into Java Programming Language code and 359 * bounce back out.) 360 * 361 * JNI lacks a "find class in a specific class loader" operation, so we 362 * have to do things the hard way. 363 */ 364 jclass cls = NULL; 365 //cls = env->FindClass(className); 366 367 jclass javaLangClassLoader; 368 jmethodID getSystemClassLoader, loadClass; 369 jobject systemClassLoader; 370 jstring strClassName; 371 372 /* find the "system" class loader; none of this is expected to fail */ 373 javaLangClassLoader = env->FindClass("java/lang/ClassLoader"); 374 assert(javaLangClassLoader != NULL); 375 getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader, 376 "getSystemClassLoader", "()Ljava/lang/ClassLoader;"); 377 loadClass = env->GetMethodID(javaLangClassLoader, 378 "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); 379 assert(getSystemClassLoader != NULL && loadClass != NULL); 380 systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader, 381 getSystemClassLoader); 382 assert(systemClassLoader != NULL); 383 384 /* create an object for the class name string; alloc could fail */ 385 strClassName = env->NewStringUTF(className); 386 if (env->ExceptionCheck()) { 387 LOGE("ERROR: unable to convert '%s' to string\n", className); 388 goto bail; 389 } 390 LOGV("system class loader is %p, loading %p (%s)\n", 391 systemClassLoader, strClassName, className); 392 393 /* try to find the named class */ 394 cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass, 395 strClassName); 396 if (env->ExceptionCheck()) { 397 LOGE("ERROR: unable to load class '%s' from %p\n", 398 className, systemClassLoader); 399 cls = NULL; 400 goto bail; 401 } 402 403bail: 404 free(convName); 405 return cls; 406} 407 408/* 409 * The VM calls this through the "exit" hook. 410 */ 411static void runtime_exit(int code) 412{ 413 gCurRuntime->onExit(code); 414 exit(code); 415} 416 417/* 418 * The VM calls this through the "vfprintf" hook. 419 * 420 * We ignore "fp" and just write the results to the log file. 421 */ 422static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 423{ 424 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 425} 426 427 428/** 429 * Add VM arguments to the to-be-executed VM 430 * Stops at first non '-' argument (also stops at an argument of '--') 431 * Returns the number of args consumed 432 */ 433int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 434{ 435 int i; 436 437 for (i = 0; i<argc; i++) { 438 if (argv[i][0] != '-') { 439 return i; 440 } 441 if (argv[i][1] == '-' && argv[i][2] == 0) { 442 return i+1; 443 } 444 445 JavaVMOption opt; 446 memset(&opt, 0, sizeof(opt)); 447 opt.optionString = (char*)argv[i]; 448 mOptions.add(opt); 449 } 450 return i; 451} 452 453static int hasDir(const char* dir) 454{ 455 struct stat s; 456 int res = stat(dir, &s); 457 if (res == 0) { 458 return S_ISDIR(s.st_mode); 459 } 460 return 0; 461} 462 463/* 464 * We just want failed write() calls to just return with an error. 465 */ 466static void blockSigpipe() 467{ 468 sigset_t mask; 469 470 sigemptyset(&mask); 471 sigaddset(&mask, SIGPIPE); 472 if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0) 473 LOGW("WARNING: SIGPIPE not blocked\n"); 474} 475 476/* 477 * Read the persistent locale. 478 */ 479static void readLocale(char* language, char* region) 480{ 481 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 482 483 property_get("persist.sys.language", propLang, ""); 484 property_get("persist.sys.country", propRegn, ""); 485 if (*propLang == 0 && *propRegn == 0) { 486 /* Set to ro properties, default is en_US */ 487 property_get("ro.product.locale.language", propLang, "en"); 488 property_get("ro.product.locale.region", propRegn, "US"); 489 } 490 strncat(language, propLang, 2); 491 strncat(region, propRegn, 2); 492 //LOGD("language=%s region=%s\n", language, region); 493} 494 495void AndroidRuntime::start(const char* className, const bool startSystemServer) 496{ 497 LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n"); 498 499 JNIEnv* env; 500 JavaVMInitArgs initArgs; 501 JavaVMOption opt; 502 char propBuf[PROPERTY_VALUE_MAX]; 503 char stackTraceFileBuf[PROPERTY_VALUE_MAX]; 504 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 505 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 506 char* stackTraceFile = NULL; 507 char* slashClassName = NULL; 508 char* cp; 509 bool checkJni = false; 510 bool logStdio = false; 511 bool verifyJava = true; 512 enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault; 513 514 blockSigpipe(); 515 516 /* 517 * 'startSystemServer == true' means runtime is obslete and not run from 518 * init.rc anymore, so we print out the boot start event here. 519 */ 520 if (startSystemServer) { 521 /* track our progress through the boot sequence */ 522 const int LOG_BOOT_PROGRESS_START = 3000; 523 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, 524 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 525 } 526 527 property_get("dalvik.vm.checkjni", propBuf, ""); 528 if (strcmp(propBuf, "true") == 0) { 529 checkJni = true; 530 } else if (strcmp(propBuf, "false") != 0) { 531 /* property is neither true nor false; fall back on kernel parameter */ 532 property_get("ro.kernel.android.checkjni", propBuf, ""); 533 if (propBuf[0] == '1') { 534 checkJni = true; 535 } 536 } 537 538 property_get("dalvik.vm.verify-bytecode", propBuf, ""); 539 if (strcmp(propBuf, "true") == 0) { 540 verifyJava = true; 541 } else if (strcmp(propBuf, "false") == 0) { 542 verifyJava = false; 543 } else { 544 /* bad value or not defined; use default */ 545 } 546 547 property_get("dalvik.vm.execution-mode", propBuf, ""); 548 if (strcmp(propBuf, "int:portable") == 0) { 549 executionMode = kEMIntPortable; 550 } else if (strcmp(propBuf, "int:fast") == 0) { 551 executionMode = kEMIntFast; 552 } 553 554 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, ""); 555 556 property_get("log.redirect-stdio", propBuf, ""); 557 if (strcmp(propBuf, "true") == 0) { 558 logStdio = true; 559 } 560 561 strcpy(enableAssertBuf, "-ea:"); 562 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, ""); 563 564 strcpy(jniOptsBuf, "-Xjniopts:"); 565 property_get("dalvik.vm.jniopts", jniOptsBuf+10, ""); 566 567 const char* rootDir = getenv("ANDROID_ROOT"); 568 if (rootDir == NULL) { 569 rootDir = "/system"; 570 if (!hasDir("/system")) { 571 LOG_FATAL("No root directory specified, and /android does not exist."); 572 return; 573 } 574 setenv("ANDROID_ROOT", rootDir, 1); 575 } 576 577 const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 578 //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 579 580 /* route exit() to our handler */ 581 opt.extraInfo = (void*) runtime_exit; 582 opt.optionString = "exit"; 583 mOptions.add(opt); 584 585 /* route fprintf() to our handler */ 586 opt.extraInfo = (void*) runtime_vfprintf; 587 opt.optionString = "vfprintf"; 588 mOptions.add(opt); 589 590 opt.extraInfo = NULL; 591 592 /* enable verbose; standard options are { jni, gc, class } */ 593 //options[curOpt++].optionString = "-verbose:jni"; 594 opt.optionString = "-verbose:gc"; 595 mOptions.add(opt); 596 //options[curOpt++].optionString = "-verbose:class"; 597 598#ifdef CUSTOM_RUNTIME_HEAP_MAX 599#define __make_max_heap_opt(val) #val 600#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val) 601 opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX); 602#undef __make_max_heap_opt 603#undef _make_max_heap_opt 604#else 605 /* limit memory use to 16MB */ 606 opt.optionString = "-Xmx16m"; 607#endif 608 mOptions.add(opt); 609 610 /* 611 * Enable or disable bytecode verification. 612 * 613 * We don't optimize classes that haven't been verified, but that only 614 * matters if we do "just-in-time" DEX optimization. 615 */ 616 if (verifyJava) { 617 opt.optionString = "-Xverify:all"; 618 mOptions.add(opt); 619 opt.optionString = "-Xdexopt:verified"; 620 mOptions.add(opt); 621 } else { 622 opt.optionString = "-Xverify:none"; 623 mOptions.add(opt); 624 opt.optionString = "-Xdexopt:verified"; 625 mOptions.add(opt); 626 } 627 628 /* enable debugging; set suspend=y to pause during VM init */ 629#ifdef HAVE_ANDROID_OS 630 /* use android ADB transport */ 631 opt.optionString = 632 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 633#else 634 /* use TCP socket; address=0 means start at port 8000 and probe up */ 635 LOGI("Using TCP socket for JDWP\n"); 636 opt.optionString = 637 "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0"; 638#endif 639 mOptions.add(opt); 640 641 char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX]; 642 property_get("dalvik.vm.deadlock-predict", propBuf, ""); 643 if (strlen(propBuf) > 0) { 644 strcpy(enableDPBuf, "-Xdeadlockpredict:"); 645 strcat(enableDPBuf, propBuf); 646 opt.optionString = enableDPBuf; 647 mOptions.add(opt); 648 } 649 650 LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 651 if (checkJni) { 652 /* extended JNI checking */ 653 opt.optionString = "-Xcheck:jni"; 654 mOptions.add(opt); 655 656 /* set a cap on JNI global references */ 657 opt.optionString = "-Xjnigreflimit:2000"; 658 mOptions.add(opt); 659 660 /* with -Xcheck:jni, this provides a JNI function call trace */ 661 //opt.optionString = "-verbose:jni"; 662 //mOptions.add(opt); 663 } 664 if (executionMode == kEMIntPortable) { 665 opt.optionString = "-Xint:portable"; 666 mOptions.add(opt); 667 } else if (executionMode == kEMIntFast) { 668 opt.optionString = "-Xint:fast"; 669 mOptions.add(opt); 670 } 671 if (logStdio) { 672 /* convert stdout/stderr to log messages */ 673 opt.optionString = "-Xlog-stdio"; 674 mOptions.add(opt); 675 } 676 677 if (enableAssertBuf[4] != '\0') { 678 /* accept "all" to mean "all classes and packages" */ 679 if (strcmp(enableAssertBuf+4, "all") == 0) 680 enableAssertBuf[3] = '\0'; 681 LOGI("Assertions enabled: '%s'\n", enableAssertBuf); 682 opt.optionString = enableAssertBuf; 683 mOptions.add(opt); 684 } else { 685 LOGV("Assertions disabled\n"); 686 } 687 688 if (jniOptsBuf[10] != '\0') { 689 LOGI("JNI options: '%s'\n", jniOptsBuf); 690 opt.optionString = jniOptsBuf; 691 mOptions.add(opt); 692 } 693 694 if (stackTraceFileBuf[0] != '\0') { 695 static const char* stfOptName = "-Xstacktracefile:"; 696 697 stackTraceFile = (char*) malloc(strlen(stfOptName) + 698 strlen(stackTraceFileBuf) +1); 699 strcpy(stackTraceFile, stfOptName); 700 strcat(stackTraceFile, stackTraceFileBuf); 701 opt.optionString = stackTraceFile; 702 mOptions.add(opt); 703 } 704 705 /* Set the properties for locale */ 706 { 707 char langOption[sizeof("-Duser.language=") + 3]; 708 char regionOption[sizeof("-Duser.region=") + 3]; 709 strcpy(langOption, "-Duser.language="); 710 strcpy(regionOption, "-Duser.region="); 711 readLocale(langOption, regionOption); 712 opt.extraInfo = NULL; 713 opt.optionString = langOption; 714 mOptions.add(opt); 715 opt.optionString = regionOption; 716 mOptions.add(opt); 717 } 718 719 /* 720 * We don't have /tmp on the device, but we often have an SD card. Apps 721 * shouldn't use this, but some test suites might want to exercise it. 722 */ 723 opt.optionString = "-Djava.io.tmpdir=/sdcard"; 724 mOptions.add(opt); 725 726 initArgs.version = JNI_VERSION_1_4; 727 initArgs.options = mOptions.editArray(); 728 initArgs.nOptions = mOptions.size(); 729 initArgs.ignoreUnrecognized = JNI_FALSE; 730 731 /* 732 * Initialize the VM. 733 * 734 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 735 * If this call succeeds, the VM is ready, and we can start issuing 736 * JNI calls. 737 */ 738 if (JNI_CreateJavaVM(&mJavaVM, &env, &initArgs) < 0) { 739 LOGE("JNI_CreateJavaVM failed\n"); 740 goto bail; 741 } 742 743 /* 744 * Register android functions. 745 */ 746 if (startReg(env) < 0) { 747 LOGE("Unable to register all android natives\n"); 748 goto bail; 749 } 750 751 /* 752 * We want to call main() with a String array with arguments in it. 753 * At present we only have one argument, the class name. Create an 754 * array to hold it. 755 */ 756 jclass stringClass; 757 jobjectArray strArray; 758 jstring classNameStr; 759 jstring startSystemServerStr; 760 761 stringClass = env->FindClass("java/lang/String"); 762 assert(stringClass != NULL); 763 strArray = env->NewObjectArray(2, stringClass, NULL); 764 assert(strArray != NULL); 765 classNameStr = env->NewStringUTF(className); 766 assert(classNameStr != NULL); 767 env->SetObjectArrayElement(strArray, 0, classNameStr); 768 startSystemServerStr = env->NewStringUTF(startSystemServer ? 769 "true" : "false"); 770 env->SetObjectArrayElement(strArray, 1, startSystemServerStr); 771 772 /* 773 * Start VM. This thread becomes the main thread of the VM, and will 774 * not return until the VM exits. 775 */ 776 jclass startClass; 777 jmethodID startMeth; 778 779 slashClassName = strdup(className); 780 for (cp = slashClassName; *cp != '\0'; cp++) 781 if (*cp == '.') 782 *cp = '/'; 783 784 startClass = env->FindClass(slashClassName); 785 if (startClass == NULL) { 786 LOGE("JavaVM unable to locate class '%s'\n", slashClassName); 787 /* keep going */ 788 } else { 789 startMeth = env->GetStaticMethodID(startClass, "main", 790 "([Ljava/lang/String;)V"); 791 if (startMeth == NULL) { 792 LOGE("JavaVM unable to find main() in '%s'\n", className); 793 /* keep going */ 794 } else { 795 env->CallStaticVoidMethod(startClass, startMeth, strArray); 796 797#if 0 798 if (env->ExceptionCheck()) 799 threadExitUncaughtException(env); 800#endif 801 } 802 } 803 804 LOGD("Shutting down VM\n"); 805 if (mJavaVM->DetachCurrentThread() != JNI_OK) 806 LOGW("Warning: unable to detach main thread\n"); 807 if (mJavaVM->DestroyJavaVM() != 0) 808 LOGW("Warning: VM did not shut down cleanly\n"); 809 810bail: 811 free(slashClassName); 812 free(stackTraceFile); 813} 814 815void AndroidRuntime::start() 816{ 817 start("com.android.internal.os.RuntimeInit", 818 false /* Don't start the system server */); 819} 820 821void AndroidRuntime::onExit(int code) 822{ 823 LOGI("AndroidRuntime onExit calling exit(%d)", code); 824 exit(code); 825} 826 827/* 828 * Get the JNIEnv pointer for this thread. 829 * 830 * Returns NULL if the slot wasn't allocated or populated. 831 */ 832/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 833{ 834 JNIEnv* env; 835 JavaVM* vm = AndroidRuntime::getJavaVM(); 836 assert(vm != NULL); 837 838 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 839 return NULL; 840 return env; 841} 842 843/* 844 * Makes the current thread visible to the VM. 845 * 846 * The JNIEnv pointer returned is only valid for the current thread, and 847 * thus must be tucked into thread-local storage. 848 */ 849static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 850{ 851 JavaVMAttachArgs args; 852 JavaVM* vm; 853 jint result; 854 855 vm = AndroidRuntime::getJavaVM(); 856 assert(vm != NULL); 857 858 args.version = JNI_VERSION_1_4; 859 args.name = (char*) threadName; 860 args.group = NULL; 861 862 result = vm->AttachCurrentThread(pEnv, (void*) &args); 863 if (result != JNI_OK) 864 LOGE("ERROR: thread attach failed\n"); 865 866 return result; 867} 868 869/* 870 * Detach the current thread from the set visible to the VM. 871 */ 872static int javaDetachThread(void) 873{ 874 JavaVM* vm; 875 jint result; 876 877 vm = AndroidRuntime::getJavaVM(); 878 assert(vm != NULL); 879 880 result = vm->DetachCurrentThread(); 881 if (result != JNI_OK) 882 LOGE("ERROR: thread detach failed\n"); 883 return result; 884} 885 886/* 887 * When starting a native thread that will be visible from the VM, we 888 * bounce through this to get the right attach/detach action. 889 * Note that this function calls free(args) 890 */ 891/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 892 void* start = ((void**)args)[0]; 893 void* userData = ((void **)args)[1]; 894 char* name = (char*) ((void **)args)[2]; // we own this storage 895 free(args); 896 JNIEnv* env; 897 int result; 898 899 /* hook us into the VM */ 900 if (javaAttachThread(name, &env) != JNI_OK) 901 return -1; 902 903 /* start the thread running */ 904 result = (*(android_thread_func_t)start)(userData); 905 906 /* unhook us */ 907 javaDetachThread(); 908 free(name); 909 910 return result; 911} 912 913/* 914 * This is invoked from androidCreateThreadEtc() via the callback 915 * set with androidSetCreateThreadFunc(). 916 * 917 * We need to create the new thread in such a way that it gets hooked 918 * into the VM before it really starts executing. 919 */ 920/*static*/ int AndroidRuntime::javaCreateThreadEtc( 921 android_thread_func_t entryFunction, 922 void* userData, 923 const char* threadName, 924 int32_t threadPriority, 925 size_t threadStackSize, 926 android_thread_id_t* threadId) 927{ 928 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 929 int result; 930 931 assert(threadName != NULL); 932 933 args[0] = (void*) entryFunction; 934 args[1] = userData; 935 args[2] = (void*) strdup(threadName); // javaThreadShell must free 936 937 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 938 threadName, threadPriority, threadStackSize, threadId); 939 return result; 940} 941 942/* 943 * Create a thread that is visible from the VM. 944 * 945 * This is called from elsewhere in the library. 946 */ 947/*static*/ void AndroidRuntime::createJavaThread(const char* name, 948 void (*start)(void *), void* arg) 949{ 950 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 951 ANDROID_PRIORITY_DEFAULT, 0, NULL); 952} 953 954#if 0 955static void quickTest(void* arg) 956{ 957 const char* str = (const char*) arg; 958 959 printf("In quickTest: %s\n", str); 960} 961#endif 962 963#ifdef NDEBUG 964 #define REG_JNI(name) { name } 965 struct RegJNIRec { 966 int (*mProc)(JNIEnv*); 967 }; 968#else 969 #define REG_JNI(name) { name, #name } 970 struct RegJNIRec { 971 int (*mProc)(JNIEnv*); 972 const char* mName; 973 }; 974#endif 975 976typedef void (*RegJAMProc)(); 977 978static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 979{ 980 for (size_t i = 0; i < count; i++) { 981 if (array[i].mProc(env) < 0) { 982#ifndef NDEBUG 983 LOGD("----------!!! %s failed to load\n", array[i].mName); 984#endif 985 return -1; 986 } 987 } 988 return 0; 989} 990 991static void register_jam_procs(const RegJAMProc array[], size_t count) 992{ 993 for (size_t i = 0; i < count; i++) { 994 array[i](); 995 } 996} 997 998static const RegJNIRec gRegJNI[] = { 999 REG_JNI(register_android_debug_JNITest), 1000 REG_JNI(register_com_android_internal_os_RuntimeInit), 1001 REG_JNI(register_android_os_SystemClock), 1002 REG_JNI(register_android_util_EventLog), 1003 REG_JNI(register_android_util_Log), 1004 REG_JNI(register_android_util_FloatMath), 1005 REG_JNI(register_android_text_format_Time), 1006 REG_JNI(register_android_pim_EventRecurrence), 1007 REG_JNI(register_android_content_AssetManager), 1008 REG_JNI(register_android_content_StringBlock), 1009 REG_JNI(register_android_content_XmlBlock), 1010 REG_JNI(register_android_security_Md5MessageDigest), 1011 REG_JNI(register_android_text_AndroidCharacter), 1012 REG_JNI(register_android_text_KeyCharacterMap), 1013 REG_JNI(register_android_os_Process), 1014 REG_JNI(register_android_os_Binder), 1015 REG_JNI(register_android_os_Hardware), 1016 REG_JNI(register_android_view_Display), 1017 REG_JNI(register_android_nio_utils), 1018 REG_JNI(register_android_graphics_PixelFormat), 1019 REG_JNI(register_android_graphics_Graphics), 1020 REG_JNI(register_android_view_Surface), 1021 REG_JNI(register_android_view_ViewRoot), 1022 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1023 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1024 1025 REG_JNI(register_android_graphics_Bitmap), 1026 REG_JNI(register_android_graphics_BitmapFactory), 1027 REG_JNI(register_android_graphics_Camera), 1028 REG_JNI(register_android_graphics_Canvas), 1029 REG_JNI(register_android_graphics_ColorFilter), 1030 REG_JNI(register_android_graphics_DrawFilter), 1031 REG_JNI(register_android_graphics_Interpolator), 1032 REG_JNI(register_android_graphics_LayerRasterizer), 1033 REG_JNI(register_android_graphics_MaskFilter), 1034 REG_JNI(register_android_graphics_Matrix), 1035 REG_JNI(register_android_graphics_Movie), 1036 REG_JNI(register_android_graphics_NinePatch), 1037 REG_JNI(register_android_graphics_Paint), 1038 REG_JNI(register_android_graphics_Path), 1039 REG_JNI(register_android_graphics_PathMeasure), 1040 REG_JNI(register_android_graphics_PathEffect), 1041 REG_JNI(register_android_graphics_Picture), 1042 REG_JNI(register_android_graphics_PorterDuff), 1043 REG_JNI(register_android_graphics_Rasterizer), 1044 REG_JNI(register_android_graphics_Region), 1045 REG_JNI(register_android_graphics_Shader), 1046 REG_JNI(register_android_graphics_Typeface), 1047 REG_JNI(register_android_graphics_Xfermode), 1048 REG_JNI(register_com_android_internal_graphics_NativeUtils), 1049 1050 REG_JNI(register_android_database_CursorWindow), 1051 REG_JNI(register_android_database_SQLiteDatabase), 1052 REG_JNI(register_android_database_SQLiteDebug), 1053 REG_JNI(register_android_database_SQLiteProgram), 1054 REG_JNI(register_android_database_SQLiteQuery), 1055 REG_JNI(register_android_database_SQLiteStatement), 1056 REG_JNI(register_android_os_Debug), 1057 REG_JNI(register_android_os_Exec), 1058 REG_JNI(register_android_os_FileObserver), 1059 REG_JNI(register_android_os_FileUtils), 1060 REG_JNI(register_android_os_ParcelFileDescriptor), 1061 REG_JNI(register_android_os_Power), 1062 REG_JNI(register_android_os_StatFs), 1063 REG_JNI(register_android_os_SystemProperties), 1064 REG_JNI(register_android_os_UEventObserver), 1065 REG_JNI(register_android_net_LocalSocketImpl), 1066 REG_JNI(register_android_net_NetworkUtils), 1067 REG_JNI(register_android_net_wifi_WifiManager), 1068 REG_JNI(register_android_os_NetStat), 1069 REG_JNI(register_android_os_MemoryFile), 1070 REG_JNI(register_com_android_internal_os_ZygoteInit), 1071 REG_JNI(register_android_hardware_Camera), 1072 REG_JNI(register_android_hardware_SensorManager), 1073 REG_JNI(register_android_media_AudioRecord), 1074 REG_JNI(register_android_media_AudioSystem), 1075 REG_JNI(register_android_media_AudioTrack), 1076 REG_JNI(register_android_media_ToneGenerator), 1077 1078 REG_JNI(register_android_opengl_classes), 1079 REG_JNI(register_android_bluetooth_Database), 1080 REG_JNI(register_android_bluetooth_HeadsetBase), 1081 REG_JNI(register_android_bluetooth_BluetoothAudioGateway), 1082 REG_JNI(register_android_bluetooth_RfcommSocket), 1083 REG_JNI(register_android_bluetooth_ScoSocket), 1084 REG_JNI(register_android_server_BluetoothDeviceService), 1085 REG_JNI(register_android_server_BluetoothEventLoop), 1086 REG_JNI(register_android_server_BluetoothA2dpService), 1087 REG_JNI(register_android_message_digest_sha1), 1088 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1089 REG_JNI(register_android_util_Base64), 1090 REG_JNI(register_android_location_GpsLocationProvider), 1091}; 1092 1093/* 1094 * Register android native functions with the VM. 1095 */ 1096/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1097{ 1098 /* 1099 * This hook causes all future threads created in this process to be 1100 * attached to the JavaVM. (This needs to go away in favor of JNI 1101 * Attach calls.) 1102 */ 1103 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1104 1105 LOGD("--- registering native functions ---\n"); 1106 1107 /* 1108 * Every "register" function calls one or more things that return 1109 * a local reference (e.g. FindClass). Because we haven't really 1110 * started the VM yet, they're all getting stored in the base frame 1111 * and never released. Use Push/Pop to manage the storage. 1112 */ 1113 env->PushLocalFrame(200); 1114 1115 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1116 env->PopLocalFrame(NULL); 1117 return -1; 1118 } 1119 env->PopLocalFrame(NULL); 1120 1121 //createJavaThread("fubar", quickTest, (void*) "hello"); 1122 1123 return 0; 1124} 1125 1126AndroidRuntime* AndroidRuntime::getRuntime() 1127{ 1128 return gCurRuntime; 1129} 1130 1131/** 1132 * Used by WithFramework to register native functions. 1133 */ 1134extern "C" 1135jint Java_com_android_internal_util_WithFramework_registerNatives( 1136 JNIEnv* env, jclass clazz) { 1137 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1138} 1139 1140/** 1141 * Used by LoadClass to register native functions. 1142 */ 1143extern "C" 1144jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1145 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1146} 1147 1148} // namespace android 1149